Mathematics, 07.07.2019 05:10 AdoNice

If there are x teams in a sports league, and all the teams play each other twice, a total of n(x) games are played, where n(x)equalsxsquaredminusx. a football league has 7 teams, each of which play the others twice. if the league pays $45 per game, how much will it cost to play the entire schedule?

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If there are x teams in a sports league, and all the teams play each other twice, a total of n(x) ga...